US 12,153,752 B2
Touch display device and display panel
Jinseong Kim, Gyeonggi-do (KR); JuHan Kim, Gyeonggi-do (KR); Haewon Lee, Seoul (KR); and CheolSe Kim, Gyeonggi-do (KR)
Assigned to LG Display Co., Ltd., Seoul (KR)
Filed by LG Display Co., Ltd., Seoul (KR)
Filed on Aug. 23, 2023, as Appl. No. 18/454,604.
Claims priority of application No. 10-2022-0184808 (KR), filed on Dec. 26, 2022.
Prior Publication US 2024/0211062 A1, Jun. 27, 2024
Int. Cl. G06F 3/041 (2006.01); G06F 3/044 (2006.01); H10K 59/12 (2023.01); H10K 59/122 (2023.01); H10K 59/124 (2023.01); H10K 59/40 (2023.01)
CPC G06F 3/0412 (2013.01) [G06F 3/0416 (2013.01); G06F 3/0443 (2019.05); H10K 59/1201 (2023.02); H10K 59/122 (2023.02); H10K 59/124 (2023.02); H10K 59/40 (2023.02)] 19 Claims
OG exemplary drawing
 
1. A display panel, comprising:
a transistor disposed over a substrate;
a first planarization layer and a second planarization layer disposed over the transistor;
an anode electrode disposed on the second planarization layer and electrically connected to the transistor through an anode contact hole;
an emission layer and a cathode electrode disposed on the anode electrode;
a touch buffer layer disposed to cover the anode electrode;
a touch electrode including an overlap area overlapping a portion of the anode electrode in a non-light emitting area on the touch buffer layer; and
a touch line disposed under the touch electrode and electrically connected to the touch electrode through a touch contact hole,
wherein the touch buffer layer and the touch electrode are between the anode electrode and the cathode electrode.